Amendment No. 1 dated as of March 7, 2007 to the Five-Year Credit Agreement dated as of May 24, 2005 among us, the Banks listed therein, JPMorgan Chase Bank, N.A., as Administrative
Agent, and Citibank, N.A., as Syndication Agent.

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

ROCKWELL COLLINS, INC.

(Registrant)

Dated: March 13, 2007

By

/s/ Patrick E. Allen

Patrick E. Allen

Senior Vice President

and Chief Financial Officer

1

Exhibit Index

ExhibitNumber

Description

99

Amendment No. 1 dated as of March 7, 2007 to the Five-Year Credit Agreement dated as of May 24, 2005 among us, the Banks listed therein, JPMorgan Chase Bank, N.A., as Administrative Agent, and
Citibank, N.A., as Syndication Agent.